Originally Posted by qualiteam
There should be only "id" field in the address book table, no "addressid" one (it is indeed means "addressid", but called "id").
The "addressid" field should be added to the "xcart_register_field_values" table.
Hope it helps.
For some reason my installation was causing php errors saying addressid was a missing field within address_book - unfortunately i don't have the error messages anymore, but adding addressid to the table stopped the error.